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  <title>Qt 4.3: Qt Widget Hierarchy</title>
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<script language="javascript">
function createSubWidget( form )
{
    ParentWidget.createSubWidget( form.nameEdit.value );
}

function renameSubWidget( form )
{
    var SubWidget = ParentWidget.subWidget( form.nameEdit.value );
    if ( !SubWidget ) {
        alert( "No such widget " + form.nameEdit.value + "!" );
        return;
    }
    SubWidget.label = form.labelEdit.value;
    form.nameEdit.value = SubWidget.label;
}

function setFont( form )
{
    ParentWidget.font = form.fontEdit.value;
}
</script>

<p>
This widget can have many children!
</p>
<object ID="ParentWidget" CLASSID="CLSID:d574a747-8016-46db-a07c-b2b4854ee75c"
CODEBASE="http://www.trolltech.com/demos/hierarchy.cab">
[Object not available! Did you forget to build and register the server?]
</object><br />
<form>
<input type="edit" ID="nameEdit" value="&lt;enter object name&gt;" />
<input type="button" value="Create" onClick="createSubWidget(this.form)" />
<input type="edit" ID="labelEdit" />
<input type="button" value="Rename" onClick="renameSubWidget(this.form)" />
<br />
<input type="edit" ID="fontEdit" value="MS Sans Serif" />
<input type="button" value = "Set Font" onClick="setFont(this.form)" />
</form>
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